Hypomagnesemia 4, Renal, also known as renal hypomagnesemia 4, is related to seizures, sensorineural deafness, ataxia, impaired intellectual development, and electrolyte imbalance and arthrogryposis, distal, type 3. An important gene associated with Hypomagnesemia 4, Renal is EGF (Epidermal Growth Factor), and among its related pathways/superpathways are Transport of inorganic cations/anions and amino acids/oligopeptides and Ion channel transport. Related phenotypes are seizure and global developmental delay